PL346364A1 - Engine system employing an unsymmetrical cycle - Google Patents

Engine system employing an unsymmetrical cycle

Info

Publication number
PL346364A1
PL346364A1 PL99346364A PL34636499A PL346364A1 PL 346364 A1 PL346364 A1 PL 346364A1 PL 99346364 A PL99346364 A PL 99346364A PL 34636499 A PL34636499 A PL 34636499A PL 346364 A1 PL346364 A1 PL 346364A1
Authority
PL
Poland
Prior art keywords
engine system
system employing
unsymmetrical
cycle
unsymmetrical cycle
Prior art date
Application number
PL99346364A
Inventor
Charles W Haldeman
Brian S Ahern
Original Assignee
Quantum Energy Technologies Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Quantum Energy Technologies Co filed Critical Quantum Energy Technologies Co
Publication of PL346364A1 publication Critical patent/PL346364A1/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/022Adding fuel and water emulsion, water or steam
    • F02M25/0228Adding fuel and water emulsion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B41/00Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
    • F02B41/02Engines with prolonged expansion
    • F02B41/04Engines with prolonged expansion in main cylinders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B47/00Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines
    • F02B47/02Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being water or steam
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00Pistons 
    • F02F3/10Pistons  having surface coverings
    • F02F3/12Pistons  having surface coverings on piston heads
    • F02F3/14Pistons  having surface coverings on piston heads within combustion chambers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/022Adding fuel and water emulsion, water or steam
    • F02M25/032Producing and adding steam
    • F02M25/038Producing and adding steam into the cylinder or the pre-combustion chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/32Miller cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00Engines characterised by air compression and subsequent fuel addition
    • F02B3/06Engines characterised by air compression and subsequent fuel addition with compression ignition
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F2200/00Manufacturing
    • F02F2200/04Forging of engine parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05CINDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00Metals
    • F05C2201/02Light metals
    • F05C2201/021Aluminium
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05CINDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00Metals
    • F05C2201/04Heavy metals
    • F05C2201/0433Iron group; Ferrous alloys, e.g. steel
    • F05C2201/0448Steel
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
PL99346364A 1998-06-26 1999-06-04 Engine system employing an unsymmetrical cycle PL346364A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/105,734 US6170441B1 (en) 1998-06-26 1998-06-26 Engine system employing an unsymmetrical cycle
PCT/US1999/012547 WO2000000725A1 (en) 1998-06-26 1999-06-04 Engine system employing an unsymmetrical cycle

Publications (1)

Publication Number Publication Date
PL346364A1 true PL346364A1 (en) 2002-02-11

Family

ID=22307503

Family Applications (1)

Application Number Title Priority Date Filing Date
PL99346364A PL346364A1 (en) 1998-06-26 1999-06-04 Engine system employing an unsymmetrical cycle

Country Status (13)

Country Link
US (1) US6170441B1 (en)
EP (1) EP1090215A1 (en)
JP (1) JP2002519566A (en)
KR (1) KR20010085271A (en)
CN (1) CN1307665A (en)
AU (1) AU745701C (en)
BR (1) BR9911552A (en)
CA (1) CA2335365A1 (en)
CZ (1) CZ20004853A3 (en)
IL (1) IL140516A0 (en)
MX (1) MXPA00012446A (en)
PL (1) PL346364A1 (en)
WO (1) WO2000000725A1 (en)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6951211B2 (en) * 1996-07-17 2005-10-04 Bryant Clyde C Cold air super-charged internal combustion engine, working cycle and method
US7222614B2 (en) * 1996-07-17 2007-05-29 Bryant Clyde C Internal combustion engine and working cycle
US8215292B2 (en) * 1996-07-17 2012-07-10 Bryant Clyde C Internal combustion engine and working cycle
US7281527B1 (en) 1996-07-17 2007-10-16 Bryant Clyde C Internal combustion engine and working cycle
SE9800191D0 (en) * 1998-01-23 1998-01-23 Jerzy Chomiak A combined Diesel-Rankine cycle reciprocating engine
US6520767B1 (en) * 1999-04-26 2003-02-18 Supercritical Combusion Corporation Fuel delivery system for combusting fuel mixtures
US6240883B1 (en) * 1999-07-23 2001-06-05 Quantum Energy Technologies Sub-critical water-fuel composition and combustion system
US6487994B2 (en) * 1999-07-23 2002-12-03 Supercritical Combustion Corporation Sub-critical water-fuel composition and combustion system
JP2002052076A (en) * 2000-08-07 2002-02-19 Smc Corp Method and apparatus for removing ozone
ATE403076T1 (en) * 2001-04-06 2008-08-15 Mitsubishi Heavy Ind Ltd OPERATION OF AN INTERNAL COMBUSTION ENGINE WITH CRITICAL WATER
JP3902018B2 (en) * 2001-04-06 2007-04-04 三菱重工業株式会社 Method and system for operating a reciprocating internal combustion engine
US20050247286A1 (en) * 2002-02-04 2005-11-10 Weber James R Combustion engine including fluidically-controlled engine valve actuator
US6688280B2 (en) 2002-05-14 2004-02-10 Caterpillar Inc Air and fuel supply system for combustion engine
US6732685B2 (en) * 2002-02-04 2004-05-11 Caterpillar Inc Engine valve actuator
US7201121B2 (en) * 2002-02-04 2007-04-10 Caterpillar Inc Combustion engine including fluidically-driven engine valve actuator
US7178492B2 (en) 2002-05-14 2007-02-20 Caterpillar Inc Air and fuel supply system for combustion engine
US7347171B2 (en) * 2002-02-04 2008-03-25 Caterpillar Inc. Engine valve actuator providing Miller cycle benefits
US6705253B2 (en) 2002-03-11 2004-03-16 Edward J. Lesniak Electronic controlled emission and fluid injection system for an internal combustion engine
US20030213444A1 (en) * 2002-05-14 2003-11-20 Cornell Sean O. Engine valve actuation system
US6928969B2 (en) * 2002-05-14 2005-08-16 Caterpillar Inc System and method for controlling engine operation
US6807929B2 (en) * 2002-05-14 2004-10-26 Caterpillar Inc Engine valve actuation system and method
US7252054B2 (en) * 2002-05-14 2007-08-07 Caterpillar Inc Combustion engine including cam phase-shifting
US20050247284A1 (en) * 2002-05-14 2005-11-10 Weber James R Air and fuel supply system for combustion engine operating at optimum engine speed
US7069887B2 (en) * 2002-05-14 2006-07-04 Caterpillar Inc. Engine valve actuation system
US6941909B2 (en) * 2003-06-10 2005-09-13 Caterpillar Inc System and method for actuating an engine valve
US20050241597A1 (en) * 2002-05-14 2005-11-03 Weber James R Air and fuel supply system for a combustion engine
US20050229900A1 (en) * 2002-05-14 2005-10-20 Caterpillar Inc. Combustion engine including exhaust purification with on-board ammonia production
US7004122B2 (en) * 2002-05-14 2006-02-28 Caterpillar Inc Engine valve actuation system
US20050235951A1 (en) * 2002-05-14 2005-10-27 Weber James R Air and fuel supply system for combustion engine operating in HCCI mode
US7191743B2 (en) * 2002-05-14 2007-03-20 Caterpillar Inc Air and fuel supply system for a combustion engine
US20050235950A1 (en) * 2002-05-14 2005-10-27 Weber James R Air and fuel supply system for combustion engine
US7100552B2 (en) * 2002-05-14 2006-09-05 Caterpillar Inc. Control system and method for variable valve actuation system
US20050235953A1 (en) * 2002-05-14 2005-10-27 Weber James R Combustion engine including engine valve actuation system
US6957634B2 (en) * 2002-10-04 2005-10-25 Caterpillar Inc. Engine valve actuator
US20040177837A1 (en) * 2003-03-11 2004-09-16 Bryant Clyde C. Cold air super-charged internal combustion engine, working cycle & method
US7178491B2 (en) * 2003-06-05 2007-02-20 Caterpillar Inc Control system and method for engine valve actuator
US6912458B2 (en) * 2003-06-25 2005-06-28 Caterpillar Inc Variable valve actuation control for operation at altitude
US6976459B2 (en) * 2003-07-15 2005-12-20 Caterpillar Inc Control system and method for a valve actuator
US7318398B2 (en) 2003-08-15 2008-01-15 Caterpillar Inc. Engine valve actuation system
WO2005019619A1 (en) * 2003-08-18 2005-03-03 Bryant, Clyde, C. Improved internal combustion engine and working cycle
US6935287B2 (en) 2003-09-30 2005-08-30 Caterpillar Inc System and method for actuating an engine valve
US20050087159A1 (en) * 2003-10-28 2005-04-28 Caterpillar, Inc. Engine valve actuation system
US7007650B2 (en) * 2003-10-31 2006-03-07 Caterpillar Inc Engine valve actuation system
US6988471B2 (en) 2003-12-23 2006-01-24 Caterpillar Inc Engine valve actuation system
JP2006029247A (en) * 2004-07-20 2006-02-02 Denso Corp Engine stop / start control device
US20060082682A1 (en) * 2004-10-15 2006-04-20 Hoodman Corporation Camera LCD screen viewing device
US7802553B2 (en) * 2005-10-18 2010-09-28 Gm Global Technology Operations, Inc. Method to improve combustion stability in a controlled auto-ignition combustion engine
US7581516B2 (en) * 2005-11-18 2009-09-01 Matthew Snow Water/alcohol injection flow switch safety device
EP1963638A2 (en) * 2005-12-22 2008-09-03 Econox Technologies, LLC Apparatus and method for fuel flow rate, fuel temperature, fuel droplet size, and burner firing rate modulation
US20090071434A1 (en) * 2007-09-19 2009-03-19 Macmillan Shaun T Low heat rejection high efficiency internal combustion engine
IT1402779B1 (en) * 2010-10-19 2013-09-18 Ecotecne S R L APPARATUS FOR THE PRODUCTION OF A FUEL EMULSION
CA2870268C (en) 2011-04-11 2020-01-14 Nostrum Energy Pte. Ltd. Internally cooled high compression lean-burning internal combustion engine
NO334747B1 (en) * 2012-01-20 2014-05-19 Viking Heat Engines As External heater, method of operation of an external heater, a thermodynamic process for operating an external heater, and the use of an external heater and / or a thermodynamic process in the operation of a cogeneration plant.
JP5783114B2 (en) 2012-03-30 2015-09-24 株式会社豊田中央研究所 Spark ignition internal combustion engine
US20130333673A1 (en) * 2012-05-16 2013-12-19 Transonic Combustion, Inc. Heating of fuel with exhaust gas recirculation
EP2667009A1 (en) * 2012-05-24 2013-11-27 Grupo Guascor S.L. Ethanol preheater for engine
KR102055399B1 (en) * 2012-12-26 2019-12-12 대우조선해양 주식회사 Operating Method Of Packaged Power Plant
US8813691B1 (en) 2013-02-18 2014-08-26 Shawn Grannell High efficiency, ternary mix engine
DE102013218764A1 (en) * 2013-03-15 2014-09-18 Ks Kolbenschmidt Gmbh Two-piece piston for internal combustion engine twice joined
US9297337B2 (en) * 2013-04-21 2016-03-29 Matthew A. Janssen Internal combustion and waste heat steam engine having a heat recovery steam generator exhaust manifold
US10018109B2 (en) * 2014-05-24 2018-07-10 Donald Joseph Stoddard Momentum driven fuel injection of steam and fuel vapor for compression ignition engines
CN104948340A (en) * 2014-06-25 2015-09-30 摩尔动力(北京)技术股份有限公司 Asymmetrical volume type engine
CN104819048A (en) * 2015-05-02 2015-08-05 周虎 Internal combustion engine with independent combustion chamber
EP3452712B1 (en) 2016-05-04 2024-11-20 KS Kolbenschmidt GmbH Piston
US10794340B2 (en) * 2018-04-24 2020-10-06 Wisconsin Alumni Research Foundation Engines using supercritical syngas
WO2019210369A1 (en) * 2018-05-02 2019-11-07 Water 2 Hydrogen (Ip) Pty Ltd An internal combustion engine and method of operating an internal combustion engine
US11125170B2 (en) * 2018-12-10 2021-09-21 Wisconsin Alumni Research Foundation Supercritical reforming of fuels, without separate water supply, for internal combustion engines
JP2021173213A (en) * 2020-04-24 2021-11-01 マツダ株式会社 Combustion chamber structure of engine
US11274603B1 (en) * 2020-08-21 2022-03-15 Bob Burkett Electric heating systems and methods for gas turbine engines and jet engines
EP4222364A1 (en) 2021-01-07 2023-08-09 Wisconsin Alumni Research Foundation Wet biofuel compression ignition
CN112963238B (en) * 2021-02-26 2022-02-15 华中科技大学 Adiabatic internal combustion engine combustion system based on adiabatic combustion chamber and Miller cycle

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3082752A (en) * 1961-04-04 1963-03-26 Reynolds Metals Co Lined engine members and methods of making the same or the like
US3861239A (en) * 1972-06-05 1975-01-21 Edward M Mcwhorter Internal combustion engine combustion control crankshaft
US4074671A (en) * 1974-10-31 1978-02-21 Pennila Simo A O Thin and low specific heat ceramic coating and method for increasing operating efficiency of internal combustion engines
US4018194A (en) 1975-01-06 1977-04-19 Texaco Inc. Engine piston with insulated combustion chamber
US4034723A (en) 1975-10-06 1977-07-12 General Motors Corporation Insulated, high efficiency, low heat rejection, engine cylinder head
US4081252A (en) 1976-06-16 1978-03-28 Hans Osborg Method of improving combustion of fuels and fuel compositions
US4201553A (en) 1976-06-16 1980-05-06 Hans Osborg Method of improving combustion of fuels and novel fuel compositions
US4185593A (en) * 1977-10-31 1980-01-29 Mcclure Kenneth S Transformation of electrical energy to physical energy
US4412512A (en) * 1979-01-11 1983-11-01 Cottell Eric Charles Fuel supply system
FR2448032A1 (en) 1979-02-05 1980-08-29 Semt PROCESS FOR IMPROVING THE EFFICIENCY OF AN INTERNAL COMBUSTION ENGINE, ESPECIALLY SUPERCHARGED
US4197081A (en) 1979-03-26 1980-04-08 Hans Osborg Method for improving combustion of fuels
US4368711A (en) * 1979-11-26 1983-01-18 Larry Allen Apparatus and a method for operating an internal combustion engine
EP0055721A1 (en) * 1980-07-09 1982-07-14 Neil Douglas Shelton Thermodynamic piston engine with internal thermal insulation
US4552106A (en) * 1982-12-03 1985-11-12 John P. Ohl Internal combustion engine
US4574590A (en) 1982-12-06 1986-03-11 Dedger Jones High temperature engine and seal
US4594991A (en) * 1983-10-06 1986-06-17 Richard Harvey Fuel and water vaporizer for internal combustion engines
CS269973B2 (en) * 1984-09-28 1990-05-14 Kurt Hierzenberger Internal combustion engine
USRE32802E (en) 1984-12-31 1988-12-20 Cummins Engine Company, Inc. Two-cycle engine with improved scavenging
US4798184A (en) * 1986-11-17 1989-01-17 Sandor Palko Extended expansion diesel cycle engine
JP2718071B2 (en) 1988-07-21 1998-02-25 いすゞ自動車株式会社 Sub-chamber insulated engine
US4862841A (en) * 1988-08-24 1989-09-05 Stevenson John C Internal combustion engine
DE3912344A1 (en) * 1989-04-14 1990-10-18 Harrier Gmbh DEVICE FOR PRODUCING AN OIL-WATER EMULSION
US5107802A (en) 1990-05-28 1992-04-28 Honda Giken Kogyo Kabushiki Kaisha Valve driving mechanism for internal combustion engines
US5239956A (en) 1991-06-07 1993-08-31 Detroit Diesel Corporation Internal combustion engine cylinder heads and similar articles of manufacture and methods of manufacturing same
US5341771A (en) * 1991-12-03 1994-08-30 Motive Holdings Limited Internal combustion engine with variable combustion chambers and increased expansion cycle
US5193493A (en) * 1992-01-10 1993-03-16 Ickes Theodore P Internal combustion engine with piston valving
US5161497A (en) * 1992-03-11 1992-11-10 Ford Motor Company Variable valve timing operated engine
US5243938A (en) 1992-07-30 1993-09-14 Yan Miin J Differential stroke internal combustion engine
DE69223968T2 (en) * 1992-10-19 1998-05-28 Mario Boric Combustion fuel stimulators
CA2199840A1 (en) 1994-09-12 1996-03-21 W. Sidney Binion In-cylinder water injection engine
US5477820A (en) 1994-09-29 1995-12-26 Ford Motor Company Thermal management system for heat engine components

Also Published As

Publication number Publication date
CA2335365A1 (en) 2000-01-06
IL140516A0 (en) 2002-02-10
AU745701C (en) 2003-04-17
CN1307665A (en) 2001-08-08
WO2000000725A1 (en) 2000-01-06
AU4420099A (en) 2000-01-17
AU745701B2 (en) 2002-03-28
JP2002519566A (en) 2002-07-02
EP1090215A1 (en) 2001-04-11
MXPA00012446A (en) 2002-04-24
US6170441B1 (en) 2001-01-09
KR20010085271A (en) 2001-09-07
CZ20004853A3 (en) 2001-11-14
BR9911552A (en) 2001-09-18

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